A team of Australian researchers appear to have found fossilized evidence of life existing in some of the world's oldest sedimentary rocks, in the Isua supracrustal belt (ISB) in southwestern Greenland along the edge of that island's icecap -- an area so remote that the team had to travel there by helicopter. The ISB is an Archean greenstone (igneous rock containing feldspar and hornblende noted for its color) belt, which consists of metamorphosed mafic volcanic and sedimentary rocks, is somewhere between 3.7 and 3.8 B
Further Reading:
Rapid emergence of life shown by discovery of 3,700-million-year-old microbial structures Full article behind a pay wall
Life thrived on young Earth: scientists discover 3.7-billion-year-old fossils
Scientists find 3.7 billion-year-old fossil, oldest yet
3.7-billion-year-old fossils may be the oldest signs of life on Earth
Further Reading:
Rapid emergence of life shown by discovery of 3,700-million-year-old microbial structures Full article behind a pay wall
Life thrived on young Earth: scientists discover 3.7-billion-year-old fossils
Scientists find 3.7 billion-year-old fossil, oldest yet
3.7-billion-year-old fossils may be the oldest signs of life on Earth
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